这是一个简单的计算器，是用C++编译的程序，希望大家喜欢

画图程序,包括曲线等多种图形壁画的绘制,后续实现手绘草图的识别.-Drawing procedures, including curves and many other graphic mural drawing, follow-up to achieve the identification of hand-drawn sketch.

This article presents different ways of implementing factories, each with their own advantages and disadvantages -This article presents different ways of im plementing factories, each with their own advantages and disadvantag es

一个高级文本编辑器-a text editor

c语言实现串口通信-Serial Communication

基于stc15单片机的PH浓度测量仪，数码管显示浓度值，可对浓度和传感器进行校准

WINDOWS 托盘图标源程序代码-tray icon Windows source code

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调用指定dll，创建任务栏图标，实现绑定任务栏，只在window7下面有效。其他系统的同学们可以去研究研究，欢迎交流学习，谢谢大家，多多下载，多多给分

边界标识法：系统将所有的空闲块链接在一个双重循环链表结构的可利用空间表中，无须从头到尾扫描链表也能确定一个释放块的相邻块是否为空闲。 -Boundary marking method: the system will link all of the free block list in a double cycle structure of the table to the use of space, there is no need to scan list from start to finish can also set a block adjacent to block release for free.